ATSAMD21G18 Microprocessor, 32-bit ARM Cortex® M0+
4 Optically Isolated Inputs
Ethernet 802.3 10/100 Mbit/s
RS485 Speed 500 Kbps (short distance)
Optically isolated digital inputs: 4 (operating voltage 3-30 V, activation from 3 V)
Relay outputs: 4 (maximum voltage/current 250V/5A)
Input voltage: (Vin) 8 – 30 V
Dimensions: 70 mm X 92 mm X 32 mm